(Selenka, 1867)
P. kefersteini is a brown sea cucumber flecked with white. It is a large species (large specimens up to 450mm), usually with 25 tentacles (16-27). The spicules are anchors with knobs at the vertex, bases unbranched (P. kefersteini spicules[/l]). This [l][m]Glossary[/m][r]Species[/r]species may be found on reefs and amongst rubble on flat.